Water purification cartridge



FIG. 1 is a front elevational view of the water purification cartridge showing my new design, the rear and side elevational views being identical;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a foreshortened sectional view taken along line 4-4 of FIG. 1;

FIG. 5 is a sectional view taken along line 5-5 of FIG. 4;

FIG. 6 is a sectional view taken along line 6-6 of FIG. 4; and,

FIG. 7 is a sectional view taken along line 7-7 of FIG. 4. 

CLAIM The ornamental design for a water purification cartridge, as shown and described. 